Home / 8,177,626.30-12,266,439.45-8,121,639.10

Finding the Fourth Proportional to 8,177,626.30, 12,266,439.45 and 8,121,639.10

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Solution

The fourth proportional to 8,177,626.30, 12,266,439.45 and 8,121,639.10 is: 12,182,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,626.30 : 12,266,439.45 = 8,121,639.10 : x
  2. Step 2: Convert to fraction form
    8,177,626.30/12,266,439.45 = 8,121,639.10/x
  3. Step 3: Cross multiply
    8,177,626.30x = 12,266,439.45 × 8,121,639.10
  4. Step 4: Simplify right side
    8,177,626.30x = 99,623,594,254,902.48
  5. Step 5: Solve for x
    x = 99,623,594,254,902.48/8,177,626.30
  6. Step 6: Final answer
    x = 12,182,458.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.